// Copyright © 2019 Banzai Cloud
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package global

import (
	"sync"

	"github.com/jinzhu/gorm"
)

// nolint: gochecknoglobals
var db *gorm.DB

// nolint: gochecknoglobals
var dbMu sync.Mutex

// DB returns an initialized DB instance.
func DB() *gorm.DB {
	dbMu.Lock()
	defer dbMu.Unlock()

	return db
}

// SetDB configures a DB instance.
func SetDB(d *gorm.DB) {
	dbMu.Lock()
	defer dbMu.Unlock()

	db = d
}
